Remove old patch

opencv-4.1.0-install_3rdparty_licenses.patch

@@ -1,11 +0,0 @@
---- ./cmake/OpenCVDetectOpenCL.cmake.orig	2019-05-14 00:35:41.373094435 +0100
-+++ ./cmake/OpenCVDetectOpenCL.cmake	2019-05-14 00:35:50.833189862 +0100
-@@ -5,7 +5,7 @@ if(APPLE)
- else()
-   set(OPENCL_LIBRARY "" CACHE STRING "OpenCL library")
-   set(OPENCL_INCLUDE_DIR "${OpenCV_SOURCE_DIR}/3rdparty/include/opencl/1.2" CACHE PATH "OpenCL include directory")
--  ocv_install_3rdparty_licenses(opencl-headers "${OpenCV_SOURCE_DIR}/3rdparty/include/opencl/LICENSE.txt")
-+  #ocv_install_3rdparty_licenses(opencl-headers "${OpenCV_SOURCE_DIR}/3rdparty/include/opencl/LICENSE.txt")
- endif()
- mark_as_advanced(OPENCL_INCLUDE_DIR OPENCL_LIBRARY)
-